A local demand forecasting startup could prove to have a good shelf life.Launch Pad: Nexosis Forecasting Invented by: Nexosis, nexosis.io Cost: $20,000 for proof of concept, $60,000 for software as a service model Investor: Rev1 Ventures Amount funded: $720,000 Westerville-based startup Nexosis is trying to solve a trillion-dollar problem globally when it comes to waste from overstock and need from understock. The solution, founder Ryan Sevey claims, is in the company’s invention, Axon, which uses machine learning to take the most detailed of factors—such as weather, social media sentiment, historical data and even a company’s calendar—into account to forecast what and how much a company should supply. So how clear is the Axon crystal ball? “Concerning the ROI benefits to our customers, we’ve increased their overall accuracy when it comes…